class_docstr: A version of HolisticBiasTeacher that sets a context string that OPT-based models
  will be familiar with.
docstr: Modify each output message to add in an OPT-compatible context string.
docstr_tok: ["Modify","each","output","message","to","add","in","an","OPT-compatible","context","string","."]
code: def setup_data(self, path):
      """
      Modify each output message to add in an OPT-compatible context string.
      """
      for message, new_episode in super().setup_data(path):
          assert (
              message["text"] == "__SILENCE__"
          ), "The expected original context string is not found!"
          message["text"] = "Person 1:"
          yield message, new_episode
  
file_path: ParlAI/projects/bb3/holistic_bias/scripts/eval_175b_model.py
imports: from holistic_bias.run_bias_calculation import EvalModelOnHolisticBias, HolisticBiasTeacher
  from holistic_bias.src.bias_measurements import BiasMeasurementCompiler
  from parlai.core.teachers import register_teacher
label_desc: Use image node_id 2 for calling the HolisticBiasOptContextTeacher obj's underlying member method code with example usage: obj.setup_data(path) without return types